Because of the construction of large-scale projects in the city, the consumption of concrete can not be satisfied by manual mixing. More and more enterprises have begun to do concrete mixing business. An indispensable vehicle for these enterprises is the concrete mixer. What should be paid attention to when maintaining the concrete mixer?

　　一、忌用嘴吸油管。柴油不僅易燃易爆，而且有毒。特別是含鉛柴油，會損害人的神經系統、消化道和腎臟。另外，柴油中還含有高濃度的硫化物，由于硫化氫也有一定的毒性，若將柴油吸入肚里，會導致中毒或死亡。萬一吸入，應逼迫自己嘔吐并及時到醫院治療。

　　1、 Do not use the nozzle to suck the oil pipe. Diesel oil is not only flammable and explosive, but also toxic. Especially the leaded diesel oil will damage the nervous system, digestive tract and kidney. In addition, diesel oil also contains high concentration of sulfide, because hydrogen sulfide also has certain toxicity, if diesel oil is inhaled into the stomach, it will lead to poisoning or death. In case of inhalation, you should force yourself to vomit and go to the hospital in time.

　　二、忌不注意工作場所的清理。在關閉發動機蓋或其他總成蓋時，應檢查工具、抹布和拆下的零件等物品是否遺忘，待確認無誤后，才可以關閉。

　　2、 Avoid not paying attention to the cleaning of the workplace. When closing the engine cover or other assembly cover, check whether the tools, rags, removed parts and other items have been forgotten, and only after confirming that they are correct can they be closed.

　　三、忌損傷自上料混凝土攪拌罐車。制動液對自上料混凝土攪拌罐車的漆膜有損害作用，它能很快地溶解漆膜。制動液對眼睛是有害的，如果濺入眼睛，必須立即用清水沖洗干凈。

　　3、 Do not damage the concrete mixer. Brake fluid is harmful to the paint film of concrete mixer, it can dissolve the paint film quickly. Brake fluid is harmful to eyes. If it splashes into eyes, it must be washed with clear water immediately.

　　四、忌燙傷。剛剛熄火的發動機，由于發動機的各部件溫度都比較高，必須小心接觸，以防燙傷。如果發動機溫度高，千萬不要取下水箱蓋或松開放水開關，以防燙傷。

　　4、 Avoid scalding. For the engine that has just been flamed out, due to the high temperature of all parts of the engine, it must be contacted carefully to prevent scalding. If the engine temperature is high, do not remove the water tank cover or release the drain switch to prevent scalding.

　　五、忌失火。在保養自上料混凝土攪拌罐車時，經常需要使用油料、清洗劑等易燃、易爆物品，此時千萬別忘了消防措施，備好滅火器，以防萬一。在油箱和蓄電池附近，不要吸煙，因為油箱逸出的可燃氣體和蓄電池逸出的氫氣是很容易被引燃的。

　　5、 Avoid fire. When maintaining the concrete mixer, it is often necessary to use oil, cleaning agent and other inflammable and explosive materials. At this time, do not forget the fire-fighting measures and prepare the fire extinguisher in case. Do not smoke near the fuel tank and battery, because the combustible gas escaping from the fuel tank and hydrogen escaping from the battery are easily ignited.